Fahrrad
The German word for bicycle. The bicycle is a popular form of transport in 6 Heidelberg. So much so that pavements are often cut in half to allow Fahrräder to use one section. The Colonel's Regiment were unaware of this on their first day in 6 Heidelberg and got shouted at by an angry local who observed them walking down the cycle lane. Unfortunately, they weren't entirely sure what "Das ist für Fahrräder!" meant.